David E Graham Biosecurity Programs Lead Contact GRAHAMDE@ORNL.GOV All Publications Use of Label-Free Quantitative Proteomics To Distinguish the Secreted Cellulolytic Systems of Caldicellulosiruptor bescii and Caldicellulosiruptor obsidiansis 2-Oxoacid Metabolism in Methanogenic CoM and CoB Biosynthesis MicroCommentary: A New Role for Coenzyme F420 in Aflatoxin Reduction by Soil Mycobacteria Complete Genome Sequence of the Cellulolytic Thermophile Caldicellulosiruptor obsidiansis OB47T... Substrate Specificity Determinants of the Methanogen Homoaconitase Enzyme: Structure and Function of the Small Subunit... Pagination First page « First Previous page ‹â¶Ä¹ … Page 2 Page 3 Current page 4 Key Links Organizations Biological and Environmental Systems Science Directorate Biosciences Division